package ooday01;

public class Student {
            //成员变量
             String name;
             int    age;
             String className;
             String stuId;
             Student(){}
             Student(String name,int age){
                 this.name=name;
                 this.age=age;
             }
             Student(String name,int age,String className,String stuId){
                 this.name=name;
                 this.age=age;
                 this.className=className;
                 this.stuId=stuId;
             }
           //方法
    void study(){
        System.out.println(this.name+"在学习...");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+this.name+",今年"+this.age+"岁了，所在班级为:"+this.className
        +"，学号为:"+this.stuId+".");
    }
    void playWith(String anotherName){
        System.out.println(this.name+"正在和"+anotherName+"一起玩...");
    }

}
